#include<iostream>
using namespace std;


void prints(int i = 10, int b = 20)
{
	cout << i <<" " << b << endl;
}
struct stud
{
	int a;
};
class Date
{
public:
	int _year;
	int _moth;
	int _day;
};
int main()
{
	Date d1;
	stud d2;
	Date* p1 = &d1;
	stud* p2 = &d2;
	


	prints();
	return 0;
}